<template>
	<div class="login box">
		<img src="../../static/image/Loginbg.3377d0c.jpg" alt="">

		<div class="login">
			<div class="login-title">
				<img src="../../static/image/Logotitle.1ba5466.png" alt="">
				<p>帮助有志向的年轻人通过努力学习获得体面的工作和生活!</p>
			</div>
			<div class="login_box">
				<div class="title">
					<span @click="login_type=0">密码登录</span>
					<span @click="login_type=1">短信登录</span>
				</div>
				<div class="inp" v-if="login_type==0">
					<input v-model = "username" type="text" placeholder="用户名 / 手机号码" class="user">
					<input v-model = "password" type="password" name="" class="pwd" placeholder="密码">
					<div class="rember">
						<p>
							<input type="checkbox" class="no" name="a"/>
							<span>记住密码</span>
						</p>
						<p>忘记密码</p>
					</div>
          <div id="geetest1"></div>
            <el-button :class="login_btn_status?'login_btn':'danger_btn'" @click="LoginHandler" :disabled="!login_btn_status">{{login_string}}</el-button>
					<p class="go_login" >没有账号 <router-link class="go_register" to="/register">立即注册</router-link></p>
				</div>
				<div class="inp" v-show="login_type==1">
					<input v-model = "username" type="text" placeholder="手机号码" class="user">
					<input v-model = "password"  type="text" class="pwd" placeholder="短信验证码">
          <button id="get_code">获取验证码</button>
					<button class="login_btn">登录</button>
					<p class="go_login" >没有账号 <span>立即注册</span></p>
				</div>
			</div>
		</div>

	</div>
</template>

<script>

  export default {
    name: 'Login',
    data(){
      return {
        login_type: 0,
        username:"",
        password:"",
        remember: false,
        login_btn_status: false,
        login_string: '请进行滑动验证！',
      }
    },

    methods: {
      LoginHandler() {
        this.$axios.post(
          `${this.$settings.Host}/users/login/`,
          {
            username: this.username,
            password: this.password
          }
        ).then(
          response => {
            let data = response.data;
            console.log(data);
            if (this.remember) {
              sessionStorage.clear();
              // 永久保存
              localStorage.user_token = data.token;
            } else {
              localStorage.clear();
              // 暂时存储
              sessionStorage.user_token = data.token;


            }
            // vue跳转页面功能
            this.$router.push('/');
          }
        ).catch(
          error => {
            this.$message.error('账号或密码有误！');
            console.log(error);
            console.log(error.response.data);
            console.log(error.response.status);
          }
        )
      },

      handlerPopup(captchaObj){
        captchaObj.appendTo("#geetest1");
        captchaObj.onSuccess(
          ()=>{
            // 当你的页面上滑动验证成功之后再次发送第二次请求
            var validate = captchaObj.getValidate();
            this.$axios.post(
              `${this.$settings.Host}/users/captcha/`,
              {
                geetest_challenge: validate.geetest_challenge,
                geetest_validate: validate.geetest_validate,
                geetest_seccode: validate.geetest_seccode,
              }
            ).then(
              data =>{
                // console.log(data);
                if(data.data.status === 'success'){
                  this.login_btn_status = true;
                  this.login_string = '登录'
                  // this.LoginHandler();
                }
              }
            )
          }
        )
      },
      GetCaptcha() {
        // 点击登录，发送第一个次get请求，获取我们的验证码标签
        this.$axios.get(
          `${this.$settings.Host}/users/captcha`,
          {
            params: {
              t: (new Date()).getTime(),
            }
          }
        ).then(
          data => {
            console.log(data);
            initGeetest({
              gt: data.data.gt,
              challenge: data.data.challenge,
              product: "popup", // 产品形式，包括：float，embed，popup。注意只对PC版验证码有效
              offline: !data.data.success // 表示用户后台检测极验服务器是否宕机，一般不需要关注
            }, this.handlerPopup);
          }
        ).catch(
          error=>{
            console.log('error---->',error)
          }
        );
      }
    },
    created() {
      this.GetCaptcha();
    }
  }
</script>

<style scoped>
.box{
	width: 100%;
  height: 100%;
	position: relative;
  overflow: hidden;
}
.box img{
	width: 100%;
  min-height: 100%;
}
.box .login {
	position: absolute;
	width: 500px;
	height: 400px;
	top: 0;
	left: 0;
  margin: auto;
  right: 0;
  bottom: 0;
  top: -338px;
}
.login .login-title{
     width: 100%;
    text-align: center;
}
.login-title img{
    width: 190px;
    height: auto;
}
.login-title p{
    font-family: PingFangSC-Regular;
    font-size: 18px;
    color: #fff;
    letter-spacing: .29px;
    padding-top: 10px;
    padding-bottom: 50px;
}
.login_box{
    width: 400px;
    height: auto;
    background: #fff;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,.5);
    border-radius: 4px;
    margin: 0 auto;
    padding-bottom: 40px;
}
.login_box .title{
	font-size: 20px;
	color: #9b9b9b;
	letter-spacing: .32px;
	border-bottom: 1px solid #e6e6e6;
	 display: flex;
    	justify-content: space-around;
    	padding: 50px 60px 0 60px;
    	margin-bottom: 20px;
    	cursor: pointer;
}
.login_box .title span:nth-of-type(1){
	color: #4a4a4a;
    	border-bottom: 2px solid #84cc39;
}

.inp{
	width: 350px;
	margin: 0 auto;
}
.inp input{
    border: 0;
    outline: 0;
    width: 100%;
    height: 45px;
    border-radius: 4px;
    border: 1px solid #d9d9d9;
    text-indent: 20px;
    font-size: 14px;
    background: #fff !important;
}
.inp input.user{
    margin-bottom: 16px;
}
.inp .rember{
     display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    margin-top: 10px;
}
.inp .rember p:first-of-type{
    font-size: 12px;
    color: #4a4a4a;
    letter-spacing: .19px;
    margin-left: 22px;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    /*position: relative;*/
}
.inp .rember p:nth-of-type(2){
    font-size: 14px;
    color: #9b9b9b;
    letter-spacing: .19px;
    cursor: pointer;
}

.inp .rember input{
    outline: 0;
    width: 30px;
    height: 45px;
    border-radius: 4px;
    border: 1px solid #d9d9d9;
    text-indent: 20px;
    font-size: 14px;
    background: #fff !important;
}

.inp .rember p span{
    display: inline-block;
  font-size: 12px;
  width: 100px;
  /*position: absolute;*/
/*left: 20px;*/

}
#geetest{
	margin-top: 20px;
}
.login_btn{
   width: 100%;
    height: 45px;
    background: #84cc39;
    border-radius: 5px;
    font-size: 16px;
    color: #fff;
    letter-spacing: .26px;
    margin-top: 30px;
}
.danger_btn{
    width: 100%;
    height: 45px;
    background: red;
    border-radius: 5px;
    font-size: 16px;
    color: #fff;
    letter-spacing: .26px;
    margin-top: 30px;
}
.inp .go_login{
    text-align: center;
    font-size: 14px;
    color: #9b9b9b;
    letter-spacing: .26px;
    padding-top: 20px;
}
.inp .go_login .go_register{
    color: #84cc39;
    cursor: pointer;
}
</style>
